(function () {
    var defs = {}; // id -> {dependencies, definition, instance (possibly undefined)}

    // Used when there is no 'main' module.
    // The name is probably (hopefully) unique so minification removes for releases.
    var register_3795 = function (id) {
        var module = dem(id);
        var fragments = id.split('.');
        var target = Function('return this;')();
        for (var i = 0; i < fragments.length - 1; ++i) {
            if (target[fragments[i]] === undefined) { target[fragments[i]] = {}; }
            target = target[fragments[i]];
        }
        target[fragments[fragments.length - 1]] = module;
    };

    var instantiate = function (id) {
        var actual = defs[id];
        var dependencies = actual.deps;
        var definition = actual.defn;
        var len = dependencies.length;
        var instances = new Array(len);
        for (var i = 0; i < len; ++i) { instances[i] = dem(dependencies[i]); }
        var defResult = definition.apply(null, instances);
        if (defResult === undefined) { throw 'module [' + id + '] returned undefined'; }
        actual.instance = defResult;
    };

    var def = function (id, dependencies, definition) {
        if (typeof id !== 'string') { throw 'module id must be a string'; } else if (dependencies === undefined) { throw 'no dependencies for ' + id; } else if (definition === undefined) { throw 'no definition function for ' + id; }
        defs[id] = {
            deps: dependencies,
            defn: definition,
            instance: undefined
        };
    };

    var dem = function (id) {
        var actual = defs[id];
        if (actual === undefined) { throw 'module [' + id + '] was undefined'; } else if (actual.instance === undefined) { instantiate(id); }
        return actual.instance;
    };

    var req = function (ids, callback) {
        var len = ids.length;
        var instances = new Array(len);
        for (var i = 0; i < len; ++i) { instances[i] = dem(ids[i]); }
        callback.apply(null, instances);
    };

    var ephox = {};

    ephox.bolt = {
        module: {
            api: {
                define: def,
                require: req,
                demand: dem
            }
        }
    };

    var define = def;
    var require = req;
    var demand = dem;
    // this helps with minification when using a lot of global references
    var defineGlobal = function (id, ref) {
        define(id, [], function () { return ref; });
    };
    /* jsc
["tinymce.plugins.help.Plugin","tinymce.core.PluginManager","tinymce.plugins.help.api.Commands","tinymce.plugins.help.ui.Buttons","tinymce.plugins.help.ui.Dialog","global!tinymce.util.Tools.resolve","tinymce.core.EditorManager","tinymce.plugins.help.ui.KeyboardShortcutsTab","tinymce.plugins.help.ui.PluginsTab","tinymce.plugins.help.ui.ButtonsRow","ephox.katamari.api.Arr","tinymce.core.util.I18n","tinymce.plugins.help.data.KeyboardShortcuts","ephox.katamari.api.Fun","ephox.katamari.api.Obj","ephox.katamari.api.Strings","tinymce.plugins.help.data.PluginUrls","ephox.katamari.api.Option","global!Array","global!Error","global!String","tinymce.core.Env","global!Object","ephox.katamari.str.StrAppend","ephox.katamari.str.StringParts"]
jsc */
    defineGlobal('global!tinymce.util.Tools.resolve', tinymce.util.Tools.resolve);
    /**
 * ResolveGlobal.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.core.PluginManager',
        [
            'global!tinymce.util.Tools.resolve'
        ],
        function (resolve) {
            return resolve('tinymce.PluginManager');
        }
    );

    /**
 * ResolveGlobal.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.core.EditorManager',
        [
            'global!tinymce.util.Tools.resolve'
        ],
        function (resolve) {
            return resolve('tinymce.EditorManager');
        }
    );

    defineGlobal('global!Array', Array);
    defineGlobal('global!Error', Error);
    define(
        'ephox.katamari.api.Fun',

        [
            'global!Array',
            'global!Error'
        ],

        function (Array, Error) {
            var noop = function () { };

            var compose = function (fa, fb) {
                return function () {
                    return fa(fb.apply(null, arguments));
                };
            };

            var constant = function (value) {
                return function () {
                    return value;
                };
            };

            var identity = function (x) {
                return x;
            };

            var tripleEquals = function (a, b) {
                return a === b;
            };

            // Don't use array slice(arguments), makes the whole function unoptimisable on Chrome
            var curry = function (f) {
                // equivalent to arguments.slice(1)
                // starting at 1 because 0 is the f, makes things tricky.
                // Pay attention to what variable is where, and the -1 magic.
                // thankfully, we have tests for this.
                var args = new Array(arguments.length - 1);
                for (var i = 1; i < arguments.length; i++) args[i - 1] = arguments[i];

                return function () {
                    var newArgs = new Array(arguments.length);
                    for (var j = 0; j < newArgs.length; j++) newArgs[j] = arguments[j];

                    var all = args.concat(newArgs);
                    return f.apply(null, all);
                };
            };

            var not = function (f) {
                return function () {
                    return !f.apply(null, arguments);
                };
            };

            var die = function (msg) {
                return function () {
                    throw new Error(msg);
                };
            };

            var apply = function (f) {
                return f();
            };

            var call = function (f) {
                f();
            };

            var never = constant(false);
            var always = constant(true);

            return {
                noop: noop,
                compose: compose,
                constant: constant,
                identity: identity,
                tripleEquals: tripleEquals,
                curry: curry,
                not: not,
                die: die,
                apply: apply,
                call: call,
                never: never,
                always: always
            };
        }
    );

    defineGlobal('global!Object', Object);
    define(
        'ephox.katamari.api.Option',

        [
            'ephox.katamari.api.Fun',
            'global!Object'
        ],

        function (Fun, Object) {
            var never = Fun.never;
            var always = Fun.always;

            /**
      Option objects support the following methods:

      fold :: this Option a -> ((() -> b, a -> b)) -> Option b

      is :: this Option a -> a -> Boolean

      isSome :: this Option a -> () -> Boolean

      isNone :: this Option a -> () -> Boolean

      getOr :: this Option a -> a -> a

      getOrThunk :: this Option a -> (() -> a) -> a

      getOrDie :: this Option a -> String -> a

      or :: this Option a -> Option a -> Option a
        - if some: return self
        - if none: return opt

      orThunk :: this Option a -> (() -> Option a) -> Option a
        - Same as "or", but uses a thunk instead of a value

      map :: this Option a -> (a -> b) -> Option b
        - "fmap" operation on the Option Functor.
        - same as 'each'

      ap :: this Option a -> Option (a -> b) -> Option b
        - "apply" operation on the Option Apply/Applicative.
        - Equivalent to <*> in Haskell/PureScript.

      each :: this Option a -> (a -> b) -> Option b
        - same as 'map'

      bind :: this Option a -> (a -> Option b) -> Option b
        - "bind"/"flatMap" operation on the Option Bind/Monad.
        - Equivalent to >>= in Haskell/PureScript; flatMap in Scala.

      flatten :: {this Option (Option a))} -> () -> Option a
        - "flatten"/"join" operation on the Option Monad.

      exists :: this Option a -> (a -> Boolean) -> Boolean

      forall :: this Option a -> (a -> Boolean) -> Boolean

      filter :: this Option a -> (a -> Boolean) -> Option a

      equals :: this Option a -> Option a -> Boolean

      equals_ :: this Option a -> (Option a, a -> Boolean) -> Boolean

      toArray :: this Option a -> () -> [a]

    */

            var none = function () { return NONE; };

            var NONE = (function () {
                var eq = function (o) {
                    return o.isNone();
                };

                // inlined from peanut, maybe a micro-optimisation?
                var call = function (thunk) { return thunk(); };
                var id = function (n) { return n; };
                var noop = function () { };

                var me = {
                    fold: function (n, s) { return n(); },
                    is: never,
                    isSome: never,
                    isNone: always,
                    getOr: id,
                    getOrThunk: call,
                    getOrDie: function (msg) {
                        throw new Error(msg || 'error: getOrDie called on none.');
                    },
                    or: id,
                    orThunk: call,
                    map: none,
                    ap: none,
                    each: noop,
                    bind: none,
                    flatten: none,
                    exists: never,
                    forall: always,
                    filter: none,
                    equals: eq,
                    equals_: eq,
                    toArray: function () { return []; },
                    toString: Fun.constant('none()')
                };
                if (Object.freeze) Object.freeze(me);
                return me;
            })();

            /** some :: a -> Option a */
            var some = function (a) {
                // inlined from peanut, maybe a micro-optimisation?
                var constant_a = function () { return a; };

                var self = function () {
                    // can't Fun.constant this one
                    return me;
                };

                var map = function (f) {
                    return some(f(a));
                };

                var bind = function (f) {
                    return f(a);
                };

                var me = {
                    fold: function (n, s) { return s(a); },
                    is: function (v) { return a === v; },
                    isSome: always,
                    isNone: never,
                    getOr: constant_a,
                    getOrThunk: constant_a,
                    getOrDie: constant_a,
                    or: self,
                    orThunk: self,
                    map: map,
                    ap: function (optfab) {
                        return optfab.fold(none, function (fab) {
                            return some(fab(a));
                        });
                    },
                    each: function (f) {
                        f(a);
                    },
                    bind: bind,
                    flatten: constant_a,
                    exists: bind,
                    forall: bind,
                    filter: function (f) {
                        return f(a) ? me : NONE;
                    },
                    equals: function (o) {
                        return o.is(a);
                    },
                    equals_: function (o, elementEq) {
                        return o.fold(
                            never,
                            function (b) { return elementEq(a, b); }
                        );
                    },
                    toArray: function () {
                        return [a];
                    },
                    toString: function () {
                        return 'some(' + a + ')';
                    }
                };
                return me;
            };

            /** from :: undefined|null|a -> Option a */
            var from = function (value) {
                return value === null || value === undefined ? NONE : some(value);
            };

            return {
                some: some,
                none: none,
                from: from
            };
        }
    );

    defineGlobal('global!String', String);
    define(
        'ephox.katamari.api.Arr',

        [
            'ephox.katamari.api.Option',
            'global!Array',
            'global!Error',
            'global!String'
        ],

        function (Option, Array, Error, String) {
            // Use the native Array.indexOf if it is available (IE9+) otherwise fall back to manual iteration
            // https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
            var rawIndexOf = (function () {
                var pIndexOf = Array.prototype.indexOf;

                var fastIndex = function (xs, x) { return pIndexOf.call(xs, x); };

                var slowIndex = function (xs, x) { return slowIndexOf(xs, x); };

                return pIndexOf === undefined ? slowIndex : fastIndex;
            })();

            var indexOf = function (xs, x) {
                // The rawIndexOf method does not wrap up in an option. This is for performance reasons.
                var r = rawIndexOf(xs, x);
                return r === -1 ? Option.none() : Option.some(r);
            };

            var contains = function (xs, x) {
                return rawIndexOf(xs, x) > -1;
            };

            // Using findIndex is likely less optimal in Chrome (dynamic return type instead of bool)
            // but if we need that micro-optimisation we can inline it later.
            var exists = function (xs, pred) {
                return findIndex(xs, pred).isSome();
            };

            var range = function (num, f) {
                var r = [];
                for (var i = 0; i < num; i++) {
                    r.push(f(i));
                }
                return r;
            };

            // It's a total micro optimisation, but these do make some difference.
            // Particularly for browsers other than Chrome.
            // - length caching
            // http://jsperf.com/browser-diet-jquery-each-vs-for-loop/69
            // - not using push
            // http://jsperf.com/array-direct-assignment-vs-push/2

            var chunk = function (array, size) {
                var r = [];
                for (var i = 0; i < array.length; i += size) {
                    var s = array.slice(i, i + size);
                    r.push(s);
                }
                return r;
            };

            var map = function (xs, f) {
                // pre-allocating array size when it's guaranteed to be known
                // http://jsperf.com/push-allocated-vs-dynamic/22
                var len = xs.length;
                var r = new Array(len);
                for (var i = 0; i < len; i++) {
                    var x = xs[i];
                    r[i] = f(x, i, xs);
                }
                return r;
            };

            // Unwound implementing other functions in terms of each.
            // The code size is roughly the same, and it should allow for better optimisation.
            var each = function (xs, f) {
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    f(x, i, xs);
                }
            };

            var eachr = function (xs, f) {
                for (var i = xs.length - 1; i >= 0; i--) {
                    var x = xs[i];
                    f(x, i, xs);
                }
            };

            var partition = function (xs, pred) {
                var pass = [];
                var fail = [];
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    var arr = pred(x, i, xs) ? pass : fail;
                    arr.push(x);
                }
                return { pass: pass, fail: fail };
            };

            var filter = function (xs, pred) {
                var r = [];
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    if (pred(x, i, xs)) {
                        r.push(x);
                    }
                }
                return r;
            };

            /*
     * Groups an array into contiguous arrays of like elements. Whether an element is like or not depends on f.
     *
     * f is a function that derives a value from an element - e.g. true or false, or a string.
     * Elements are like if this function generates the same value for them (according to ===).
     *
     *
     * Order of the elements is preserved. Arr.flatten() on the result will return the original list, as with Haskell groupBy function.
     *  For a good explanation, see the group function (which is a special case of groupBy)
     *  http://hackage.haskell.org/package/base-4.7.0.0/docs/Data-List.html#v:group
     */
            var groupBy = function (xs, f) {
                if (xs.length === 0) {
                    return [];
                } else {
                    var wasType = f(xs[0]); // initial case for matching
                    var r = [];
                    var group = [];

                    for (var i = 0, len = xs.length; i < len; i++) {
                        var x = xs[i];
                        var type = f(x);
                        if (type !== wasType) {
                            r.push(group);
                            group = [];
                        }
                        wasType = type;
                        group.push(x);
                    }
                    if (group.length !== 0) {
                        r.push(group);
                    }
                    return r;
                }
            };

            var foldr = function (xs, f, acc) {
                eachr(xs, function (x) {
                    acc = f(acc, x);
                });
                return acc;
            };

            var foldl = function (xs, f, acc) {
                each(xs, function (x) {
                    acc = f(acc, x);
                });
                return acc;
            };

            var find = function (xs, pred) {
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    if (pred(x, i, xs)) {
                        return Option.some(x);
                    }
                }
                return Option.none();
            };

            var findIndex = function (xs, pred) {
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    if (pred(x, i, xs)) {
                        return Option.some(i);
                    }
                }

                return Option.none();
            };

            var slowIndexOf = function (xs, x) {
                for (var i = 0, len = xs.length; i < len; ++i) {
                    if (xs[i] === x) {
                        return i;
                    }
                }

                return -1;
            };

            var push = Array.prototype.push;
            var flatten = function (xs) {
                // Note, this is possible because push supports multiple arguments:
                // http://jsperf.com/concat-push/6
                // Note that in the past, concat() would silently work (very slowly) for array-like objects.
                // With this change it will throw an error.
                var r = [];
                for (var i = 0, len = xs.length; i < len; ++i) {
                    // Ensure that each value is an array itself
                    if (!Array.prototype.isPrototypeOf(xs[i])) throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
                    push.apply(r, xs[i]);
                }
                return r;
            };

            var bind = function (xs, f) {
                var output = map(xs, f);
                return flatten(output);
            };

            var forall = function (xs, pred) {
                for (var i = 0, len = xs.length; i < len; ++i) {
                    var x = xs[i];
                    if (pred(x, i, xs) !== true) {
                        return false;
                    }
                }
                return true;
            };

            var equal = function (a1, a2) {
                return a1.length === a2.length && forall(a1, function (x, i) {
                    return x === a2[i];
                });
            };

            var slice = Array.prototype.slice;
            var reverse = function (xs) {
                var r = slice.call(xs, 0);
                r.reverse();
                return r;
            };

            var difference = function (a1, a2) {
                return filter(a1, function (x) {
                    return !contains(a2, x);
                });
            };

            var mapToObject = function (xs, f) {
                var r = {};
                for (var i = 0, len = xs.length; i < len; i++) {
                    var x = xs[i];
                    r[String(x)] = f(x, i);
                }
                return r;
            };

            var pure = function (x) {
                return [x];
            };

            var sort = function (xs, comparator) {
                var copy = slice.call(xs, 0);
                copy.sort(comparator);
                return copy;
            };

            var head = function (xs) {
                return xs.length === 0 ? Option.none() : Option.some(xs[0]);
            };

            var last = function (xs) {
                return xs.length === 0 ? Option.none() : Option.some(xs[xs.length - 1]);
            };

            return {
                map: map,
                each: each,
                eachr: eachr,
                partition: partition,
                filter: filter,
                groupBy: groupBy,
                indexOf: indexOf,
                foldr: foldr,
                foldl: foldl,
                find: find,
                findIndex: findIndex,
                flatten: flatten,
                bind: bind,
                forall: forall,
                exists: exists,
                contains: contains,
                equal: equal,
                reverse: reverse,
                chunk: chunk,
                difference: difference,
                mapToObject: mapToObject,
                pure: pure,
                sort: sort,
                range: range,
                head: head,
                last: last
            };
        }
    );
    /**
 * ResolveGlobal.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.core.util.I18n',
        [
            'global!tinymce.util.Tools.resolve'
        ],
        function (resolve) {
            return resolve('tinymce.util.I18n');
        }
    );

    /**
 * ResolveGlobal.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.core.Env',
        [
            'global!tinymce.util.Tools.resolve'
        ],
        function (resolve) {
            return resolve('tinymce.Env');
        }
    );

    /**
 * KeyboardShortcuts.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.data.KeyboardShortcuts',
        [
            'tinymce.core.Env'
        ],
        function (Env) {
            var meta = Env.mac ? '\u2318' : 'Ctrl';
            var access = Env.mac ? 'Ctrl + Alt' : 'Shift + Alt';

            var shortcuts = [
                { shortcut: meta + ' + B', action: 'Bold' },
                { shortcut: meta + ' + I', action: 'Italic' },
                { shortcut: meta + ' + U', action: 'Underline' },
                { shortcut: meta + ' + A', action: 'Select all' },
                { shortcut: meta + ' + Y or ' + meta + ' + Shift + Z', action: 'Redo' },
                { shortcut: meta + ' + Z', action: 'Undo' },
                { shortcut: access + ' + 1', action: 'Header 1' },
                { shortcut: access + ' + 2', action: 'Header 2' },
                { shortcut: access + ' + 3', action: 'Header 3' },
                { shortcut: access + ' + 4', action: 'Header 4' },
                { shortcut: access + ' + 5', action: 'Header 5' },
                { shortcut: access + ' + 6', action: 'Header 6' },
                { shortcut: access + ' + 7', action: 'Paragraph' },
                { shortcut: access + ' + 8', action: 'Div' },
                { shortcut: access + ' + 9', action: 'Address' },
                { shortcut: 'Alt + F9', action: 'Focus to menubar' },
                { shortcut: 'Alt + F10', action: 'Focus to toolbar' },
                { shortcut: 'Alt + F11', action: 'Focus to element path' },
                {
                    shortcut: 'Ctrl + Shift + P > Ctrl + Shift + P',
                    action: 'Focus to contextual toolbar'
                },
                { shortcut: meta + ' + K', action: 'Insert link (if link plugin activated)' },
                { shortcut: meta + ' + S', action: 'Save (if save plugin activated)' },
                { shortcut: meta + ' + F', action: 'Find (if searchreplace plugin activated)' }
            ];

            return {
                shortcuts: shortcuts
            };
        });

    /**
 * KeyboardShortcutsTab.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.ui.KeyboardShortcutsTab',
        [
            'ephox.katamari.api.Arr',
            'tinymce.core.util.I18n',
            'tinymce.plugins.help.data.KeyboardShortcuts'
        ],
        function (Arr, I18n, KeyboardShortcuts) {
            var makeTab = function () {
                var makeAriaLabel = function (shortcut) {
                    return 'aria-label="Action: ' + shortcut.action + ', Shortcut: ' + shortcut.shortcut.replace(/Ctrl/g, 'Control') + '"';
                };
                var shortcutLisString = Arr.map(KeyboardShortcuts.shortcuts, function (shortcut) {
                    return '<tr data-mce-tabstop="1" tabindex="-1" ' + makeAriaLabel(shortcut) + '>' +
                  '<td>' + I18n.translate(shortcut.action) + '</td>' +
                  '<td>' + shortcut.shortcut + '</td>' +
                '</tr>';
                }).join('');

                return {
                    title: 'Handy Shortcuts',
                    type: 'container',
                    style: 'overflow-y: auto; overflow-x: hidden; max-height: 250px',
                    items: [
                        {
                            type: 'container',
                            html: '<div>' +
                    '<table class="mce-table-striped">' +
                      '<thead>' +
                        '<th>' + I18n.translate('Action') + '</th>' +
                        '<th>' + I18n.translate('Shortcut') + '</th>' +
                      '</thead>' +
                      shortcutLisString +
                    '</table>' +
                  '</div>'
                        }
                    ]
                };
            };

            return {
                makeTab: makeTab
            };
        });

    define(
        'ephox.katamari.api.Obj',

        [
            'ephox.katamari.api.Option',
            'global!Object'
        ],

        function (Option, Object) {
            // There are many variations of Object iteration that are faster than the 'for-in' style:
            // http://jsperf.com/object-keys-iteration/107
            //
            // Use the native keys if it is available (IE9+), otherwise fall back to manually filtering
            var keys = (function () {
                var fastKeys = Object.keys;

                // This technically means that 'each' and 'find' on IE8 iterate through the object twice.
                // This code doesn't run on IE8 much, so it's an acceptable tradeoff.
                // If it becomes a problem we can always duplicate the feature detection inside each and find as well.
                var slowKeys = function (o) {
                    var r = [];
                    for (var i in o) {
                        if (o.hasOwnProperty(i)) {
                            r.push(i);
                        }
                    }
                    return r;
                };

                return fastKeys === undefined ? slowKeys : fastKeys;
            })();

            var each = function (obj, f) {
                var props = keys(obj);
                for (var k = 0, len = props.length; k < len; k++) {
                    var i = props[k];
                    var x = obj[i];
                    f(x, i, obj);
                }
            };

            /** objectMap :: (JsObj(k, v), (v, k, JsObj(k, v) -> x)) -> JsObj(k, x) */
            var objectMap = function (obj, f) {
                return tupleMap(obj, function (x, i, obj) {
                    return {
                        k: i,
                        v: f(x, i, obj)
                    };
                });
            };

            /** tupleMap :: (JsObj(k, v), (v, k, JsObj(k, v) -> { k: x, v: y })) -> JsObj(x, y) */
            var tupleMap = function (obj, f) {
                var r = {};
                each(obj, function (x, i) {
                    var tuple = f(x, i, obj);
                    r[tuple.k] = tuple.v;
                });
                return r;
            };

            /** bifilter :: (JsObj(k, v), (v, k -> Bool)) -> { t: JsObj(k, v), f: JsObj(k, v) } */
            var bifilter = function (obj, pred) {
                var t = {};
                var f = {};
                each(obj, function (x, i) {
                    var branch = pred(x, i) ? t : f;
                    branch[i] = x;
                });
                return {
                    t: t,
                    f: f
                };
            };

            /** mapToArray :: (JsObj(k, v), (v, k -> a)) -> [a] */
            var mapToArray = function (obj, f) {
                var r = [];
                each(obj, function (value, name) {
                    r.push(f(value, name));
                });
                return r;
            };

            /** find :: (JsObj(k, v), (v, k, JsObj(k, v) -> Bool)) -> Option v */
            var find = function (obj, pred) {
                var props = keys(obj);
                for (var k = 0, len = props.length; k < len; k++) {
                    var i = props[k];
                    var x = obj[i];
                    if (pred(x, i, obj)) {
                        return Option.some(x);
                    }
                }
                return Option.none();
            };

            /** values :: JsObj(k, v) -> [v] */
            var values = function (obj) {
                return mapToArray(obj, function (v) {
                    return v;
                });
            };

            var size = function (obj) {
                return values(obj).length;
            };

            return {
                bifilter: bifilter,
                each: each,
                map: objectMap,
                mapToArray: mapToArray,
                tupleMap: tupleMap,
                find: find,
                keys: keys,
                values: values,
                size: size
            };
        }
    );
    define(
        'ephox.katamari.str.StrAppend',

        [

        ],

        function () {
            var addToStart = function (str, prefix) {
                return prefix + str;
            };

            var addToEnd = function (str, suffix) {
                return str + suffix;
            };

            var removeFromStart = function (str, numChars) {
                return str.substring(numChars);
            };

            var removeFromEnd = function (str, numChars) {
                return str.substring(0, str.length - numChars);
            };

            return {
                addToStart: addToStart,
                addToEnd: addToEnd,
                removeFromStart: removeFromStart,
                removeFromEnd: removeFromEnd
            };
        }
    );
    define(
        'ephox.katamari.str.StringParts',

        [
            'ephox.katamari.api.Option',
            'global!Error'
        ],

        function (Option, Error) {
            /** Return the first 'count' letters from 'str'.
-     *  e.g. first("abcde", 2) === "ab"
-     */
            var first = function (str, count) {
                return str.substr(0, count);
            };

            /** Return the last 'count' letters from 'str'.
    *  e.g. last("abcde", 2) === "de"
    */
            var last = function (str, count) {
                return str.substr(str.length - count, str.length);
            };

            var head = function (str) {
                return str === '' ? Option.none() : Option.some(str.substr(0, 1));
            };

            var tail = function (str) {
                return str === '' ? Option.none() : Option.some(str.substring(1));
            };

            return {
                first: first,
                last: last,
                head: head,
                tail: tail
            };
        }
    );
    define(
        'ephox.katamari.api.Strings',

        [
            'ephox.katamari.str.StrAppend',
            'ephox.katamari.str.StringParts',
            'global!Error'
        ],

        function (StrAppend, StringParts, Error) {
            var checkRange = function (str, substr, start) {
                if (substr === '') return true;
                if (str.length < substr.length) return false;
                var x = str.substr(start, start + substr.length);
                return x === substr;
            };

            /** Given a string and object, perform template-replacements on the string, as specified by the object.
     * Any template fields of the form ${name} are replaced by the string or number specified as obj["name"]
     * Based on Douglas Crockford's 'supplant' method for template-replace of strings. Uses different template format.
     */
            var supplant = function (str, obj) {
                var isStringOrNumber = function (a) {
                    var t = typeof a;
                    return t === 'string' || t === 'number';
                };

                return str.replace(/\${([^{}]*)}/g,
                    function (a, b) {
                        var value = obj[b];
                        return isStringOrNumber(value) ? value : a;
                    }
                );
            };

            var removeLeading = function (str, prefix) {
                return startsWith(str, prefix) ? StrAppend.removeFromStart(str, prefix.length) : str;
            };

            var removeTrailing = function (str, prefix) {
                return endsWith(str, prefix) ? StrAppend.removeFromEnd(str, prefix.length) : str;
            };

            var ensureLeading = function (str, prefix) {
                return startsWith(str, prefix) ? str : StrAppend.addToStart(str, prefix);
            };

            var ensureTrailing = function (str, prefix) {
                return endsWith(str, prefix) ? str : StrAppend.addToEnd(str, prefix);
            };

            var contains = function (str, substr) {
                return str.indexOf(substr) !== -1;
            };

            var capitalize = function (str) {
                return StringParts.head(str).bind(function (head) {
                    return StringParts.tail(str).map(function (tail) {
                        return head.toUpperCase() + tail;
                    });
                }).getOr(str);
            };

            /** Does 'str' start with 'prefix'?
     *  Note: all strings start with the empty string.
     *        More formally, for all strings x, startsWith(x, "").
     *        This is so that for all strings x and y, startsWith(y + x, y)
     */
            var startsWith = function (str, prefix) {
                return checkRange(str, prefix, 0);
            };

            /** Does 'str' end with 'suffix'?
     *  Note: all strings end with the empty string.
     *        More formally, for all strings x, endsWith(x, "").
     *        This is so that for all strings x and y, endsWith(x + y, y)
     */
            var endsWith = function (str, suffix) {
                return checkRange(str, suffix, str.length - suffix.length);
            };

            /** removes all leading and trailing spaces */
            var trim = function (str) {
                return str.replace(/^\s+|\s+$/g, '');
            };

            var lTrim = function (str) {
                return str.replace(/^\s+/g, '');
            };

            var rTrim = function (str) {
                return str.replace(/\s+$/g, '');
            };

            return {
                supplant: supplant,
                startsWith: startsWith,
                removeLeading: removeLeading,
                removeTrailing: removeTrailing,
                ensureLeading: ensureLeading,
                ensureTrailing: ensureTrailing,
                endsWith: endsWith,
                contains: contains,
                trim: trim,
                lTrim: lTrim,
                rTrim: rTrim,
                capitalize: capitalize
            };
        }
    );

    /**
 * PluginUrls.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.data.PluginUrls',
        [
        ],
        function () {
            var urls = [
                { key: 'advlist', name: 'Advanced List' },
                { key: 'anchor', name: 'Anchor' },
                { key: 'autolink', name: 'Autolink' },
                { key: 'autoresize', name: 'Autoresize' },
                { key: 'autosave', name: 'Autosave' },
                { key: 'bbcode', name: 'BBCode' },
                { key: 'charmap', name: 'Character Map' },
                { key: 'code', name: 'Code' },
                { key: 'codesample', name: 'Code Sample' },
                { key: 'colorpicker', name: 'Color Picker' },
                { key: 'compat3x', name: '3.x Compatibility' },
                { key: 'contextmenu', name: 'Context Menu' },
                { key: 'directionality', name: 'Directionality' },
                { key: 'emoticons', name: 'Emoticons' },
                { key: 'fullpage', name: 'Full Page' },
                { key: 'fullscreen', name: 'Full Screen' },
                { key: 'help', name: 'Help' },
                { key: 'hr', name: 'Horizontal Rule' },
                { key: 'image', name: 'Image' },
                { key: 'imagetools', name: 'Image Tools' },
                { key: 'importcss', name: 'Import CSS' },
                { key: 'insertdatetime', name: 'Insert Date/Time' },
                { key: 'legacyoutput', name: 'Legacy Output' },
                { key: 'link', name: 'Link' },
                { key: 'lists', name: 'Lists' },
                { key: 'media', name: 'Media' },
                { key: 'nonbreaking', name: 'Nonbreaking' },
                { key: 'noneditable', name: 'Noneditable' },
                { key: 'pagebreak', name: 'Page Break' },
                { key: 'paste', name: 'Paste' },
                { key: 'preview', name: 'Preview' },
                { key: 'print', name: 'Print' },
                { key: 'save', name: 'Save' },
                { key: 'searchreplace', name: 'Search and Replace' },
                { key: 'spellchecker', name: 'Spell Checker' },
                { key: 'tabfocus', name: 'Tab Focus' },
                { key: 'table', name: 'Table' },
                { key: 'template', name: 'Template' },
                { key: 'textcolor', name: 'Text Color' },
                { key: 'textpattern', name: 'Text Pattern' },
                { key: 'toc', name: 'Table of Contents' },
                { key: 'visualblocks', name: 'Visual Blocks' },
                { key: 'visualchars', name: 'Visual Characters' },
                { key: 'wordcount', name: 'Word Count' }
            ];

            return {
                urls: urls
            };
        });

    /**
 * PluginsTab.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.ui.PluginsTab',
        [
            'ephox.katamari.api.Arr',
            'ephox.katamari.api.Fun',
            'ephox.katamari.api.Obj',
            'ephox.katamari.api.Strings',
            'tinymce.core.EditorManager',
            'tinymce.core.util.I18n',
            'tinymce.plugins.help.data.PluginUrls'
        ],
        function (Arr, Fun, Obj, Strings, tinymce, I18n, PluginUrls) {
            var makeLink = Fun.curry(Strings.supplant, '<a href="${url}" target="_blank" rel="noopener">${name}</a>');

            var maybeUrlize = function (editor, key) {
                return Arr.find(PluginUrls.urls, function (x) {
                    return x.key === key;
                }).fold(function () {
                    var getMetadata = editor.plugins[key].getMetadata;
                    return typeof getMetadata === 'function' ? makeLink(getMetadata()) : key;
                }, function (x) {
                    return makeLink({ name: x.name, url: 'https://www.tinymce.com/docs/plugins/' + x.key });
                });
            };

            var getPluginKeys = function (editor) {
                var keys = Obj.keys(editor.plugins);
                return editor.settings.forced_plugins === undefined
                    ? keys
                    : Arr.filter(keys, Fun.not(Fun.curry(Arr.contains, editor.settings.forced_plugins)));
            };

            var pluginLister = function (editor) {
                var pluginKeys = getPluginKeys(editor);
                var pluginLis = Arr.map(pluginKeys, function (key) {
                    return '<li>' + maybeUrlize(editor, key) + '</li>';
                });
                var count = pluginLis.length;
                var pluginsString = pluginLis.join('');

                return '<p><b>' + I18n.translate(['Plugins installed ({0}):', count ]) + '</b></p>' +
              '<ul>' + pluginsString + '</ul>';
            };

            var installedPlugins = function (editor) {
                return {
                    type: 'container',
                    html: '<div style="overflow-y: auto; overflow-x: hidden; max-height: 230px; height: 230px;" data-mce-tabstop="1" tabindex="-1">' +
                pluginLister(editor) +
              '</div>',
                    flex: 1
                };
            };

            var availablePlugins = function () {
                return {
                    type: 'container',
                    html: '<div style="padding: 10px; background: #e3e7f4; height: 100%;" data-mce-tabstop="1" tabindex="-1">' +
                '<p><b>' + I18n.translate('Premium plugins:') + '</b></p>' +
                '<ul>' +
                  '<li>PowerPaste</li>' +
                  '<li>Spell Checker Pro</li>' +
                  '<li>Accessibility Checker</li>' +
                  '<li>Advanced Code Editor</li>' +
                  '<li>Enhanced Media Embed</li>' +
                  '<li>Link Checker</li>' +
                '</ul><br />' +
                '<p style="float: right;"><a href="https://www.tinymce.com/pricing/?utm_campaign=editor_referral&utm_medium=help_dialog&utm_source=tinymce" target="_blank">' + I18n.translate('Learn more...') + '</a></p>' +
              '</div>',
                    flex: 1
                };
            };

            var makeTab = function (editor) {
                return {
                    title: 'Plugins',
                    type: 'container',
                    style: 'overflow-y: auto; overflow-x: hidden;',
                    layout: 'flex',
                    padding: 10,
                    spacing: 10,
                    items: [
                        installedPlugins(editor),
                        availablePlugins()
                    ]
                };
            };

            return {
                makeTab: makeTab
            };
        }
    );

    /**
 * ButtonsRow.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.ui.ButtonsRow',
        [
            'tinymce.core.EditorManager',
            'tinymce.core.util.I18n'
        ],
        function (EditorManager, I18n) {
            var getVersion = function (major, minor) {
                return major.indexOf('@') === 0 ? 'X.X.X' : major + '.' + minor;
            };

            var makeRow = function () {
                var version = getVersion(EditorManager.majorVersion, EditorManager.minorVersion);
                var changeLogLink = '<a href="https://www.tinymce.com/docs/changelog/?utm_campaign=editor_referral&utm_medium=help_dialog&utm_source=tinymce" target="_blank">TinyMCE ' + version + '</a>';

                return [
                    {
                        type: 'label',
                        html: I18n.translate(['You are using {0}', changeLogLink])
                    },
                    {
                        type: 'spacer',
                        flex: 1
                    },
                    {
                        text: 'Close',
                        onclick: function () {
                            this.parent().parent().close();
                        }
                    }
                ];
            };

            return {
                makeRow: makeRow
            };
        }
    );

    /**
 * Dialog.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.ui.Dialog',
        [
            'tinymce.core.EditorManager',
            'tinymce.plugins.help.ui.KeyboardShortcutsTab',
            'tinymce.plugins.help.ui.PluginsTab',
            'tinymce.plugins.help.ui.ButtonsRow'
        ],
        function (EditorManager, KeyboardShortcutsTab, PluginsTab, ButtonsRow) {
            var open = function (editor, pluginUrl) {
                return function () {
                    editor.windowManager.open({
                        title: 'Help',
                        bodyType: 'tabpanel',
                        layout: 'flex',
                        body: [
                            KeyboardShortcutsTab.makeTab(),
                            PluginsTab.makeTab(editor, pluginUrl)
                        ],
                        buttons: ButtonsRow.makeRow(),
                        onPostRender: function () {
                            var title = this.getEl('title');
                            title.innerHTML = '<img src="' + pluginUrl + '/img/logo.png" alt="TinyMCE Logo" style="display: inline-block; width: 200px; height: 50px">';
                        }
                    });
                };
            };

            return {
                open: open
            };
        });

    /**
 * Commands.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.api.Commands',
        [
            'tinymce.plugins.help.ui.Dialog'
        ],
        function (Dialog) {
            var register = function (editor, pluginUrl) {
                editor.addCommand('mceHelp', Dialog.open(editor, pluginUrl));
            };

            return {
                register: register
            };
        }
    );

    /**
 * Buttons.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.ui.Buttons',
        [
            'tinymce.plugins.help.ui.Dialog'
        ],
        function (Dialog) {
            var register = function (editor, pluginUrl) {
                editor.addButton('help', {
                    icon: 'help',
                    onclick: Dialog.open(editor, pluginUrl)
                });

                editor.addMenuItem('Help', {
                    text: 'Help',
                    icon: 'help',
                    context: 'help',
                    onclick: Dialog.open(editor, pluginUrl)
                });
            };

            return {
                register: register
            };
        }
    );

    /**
 * PLugin.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

    define(
        'tinymce.plugins.help.Plugin',
        [
            'tinymce.core.PluginManager',
            'tinymce.plugins.help.api.Commands',
            'tinymce.plugins.help.ui.Buttons',
            'tinymce.plugins.help.ui.Dialog'
        ],
        function (PluginManager, Commands, Buttons, Dialog) {
            PluginManager.add('help', function (editor, pluginUrl) {
                Buttons.register(editor, pluginUrl);
                Commands.register(editor, pluginUrl);
                editor.shortcuts.add('Alt+0', 'Open help dialog', 'mceHelp');
            });

            return function () {};
        }
    );

    dem('tinymce.plugins.help.Plugin')();
})();
